Re: Locking model for NAPI drivers

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

Andi Kleen <ak@xxxxxx> wrote:
> 
> That is because of the kmap_atomic it does right? At least in the i386
> highmem implementation I don't see any code that would be less safe in
> hard interrupt context compared to BHs.  And FRV and mips look like they
> allow it too.

To make it safe we'll have to allocate another precious km_type entry.
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